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Multiple Applications of Paper Application of Paper Additives

Multiple Applications of Paper Application of Paper Additives

In recent years, the use of additives in the papermaking industry has become increasingly common. Whether in foreign and domestic markets, as well as in laboratories or production practices, various papermaking additives have shown significant advantages and have received special attention from the papermaking industry. This article comprehensively introduces the application effects of several papermaking additives in the papermaking industry.

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Application of retention and drainage aids in papermaking

Application of retention and drainage aids in papermaking

Paper making retention and drainage aid is a water-soluble branched chain organic polymer. The function of paper making retention and drainage aid is to increase the retention rate of pulp when it is online, and it has excellent retention effect on small fibers and fillers (such as calcium carbonate, titanium dioxide, and kaolin), with obvious pulp saving.

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2022

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Surface sizing agent can eliminate the problem of paper fuzzing and powder loss

Surface sizing agent can eliminate the problem of paper fuzzing and powder loss

Surface sizing agent can eliminate the problem of paper fuzzing and powder loss 1. Reasonable control of beating. Properly increasing the beating degree increases the appearance area of the fibers, and adjacent hydroxyl groups combine to form hydrogen bonds, which not only increases the binding force but also improves the tightness of the paper sheet;

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2022

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Corrugated paper solid adhesive intermediate

Corrugated paper solid adhesive intermediate

The intermediate is used for the preparation of surface sizing agents for corrugated base paper. By adding it to the starch solution and neutralizing the starch, a cross-linking reaction is formed, which is grafted onto the starch molecules to form hydrophobic groups, effectively improving the surface water resistance of corrugated base paper. The water resistance produced by the cross-linking reaction is highly stable and not affected by climate and system fluctuations, solving the problem of moisture regain in corrugated base paper during the summer and rainy seasons. Meanwhile, under the condition of replacing 15% -20% starch, this product can maintain or further improve the paper's ring pressure index, and has a good reinforcing effect. It is currently an ideal product to replace traditional sizing agents.

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Classification and Application of Paper Additives

Classification and Application of Paper Additives

The modern papermaking process can be divided into the following main steps: pulping, blending, papermaking, coating, and processing: Pulping section: raw material selection → cooking and separation of fibers → washing → bleaching → washing and screening → concentration or making into pulp sheets → storage and standby

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2022

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The Role of Paper Additives

The Role of Paper Additives

In the papermaking industry, many chemical additives for papermaking are often used, with a wide variety of applications and functions mainly reflected in the following aspects:

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